MALICIOUS
104
Risk Score
Malware Insights
MITRE ATT&CK
T1566.001 Spearphishing Attachment
T1204.002 Malicious Link
The PDF contains numerous embedded URLs and heuristics indicate it functions as a link farm, potentially for SEO poisoning or to host malicious files. The presence of a 'download button' lure further suggests a malicious intent to trick users into downloading unwanted content. The ML classifier strongly flagged this PDF as malicious, supporting the assessment of a malicious download lure.
Machine Learning
- Nyx PDF Classifier malicious score 0.9960
Heuristics 6
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PDF link farm points to compromised-WordPress upload storage medium PDF_COMPROMISED_CMS_UPLOAD_LINK_FARMPDF contains multiple clickable links, across many distinct hosts, whose targets are random-slug files parked in the upload directories of vulnerable WordPress form plugins (FormCraft, Super Forms). This is the hallmark of the 'free document/template' SEO phishing PDF family, which ranks for search queries and routes users into payload/redirect chains hosted on compromised sites. The PDF itself carries no exploit — the risk is the linked destinations.
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Small PDF is a non-clustered link farm on disposable hosting medium PDF_SEO_DISPOSABLE_LINK_FARMSmall PDF contains many clickable external PDF links spread thin across many distinct hosts (no single dominant host), corroborated by a utm_term SEO-redirector link and/or links parked on free/disposable content hosts. This is the 'free document/template' SEO phishing PDF family, which ranks for search queries and routes users into payload/redirect chains, rather than a normal document citation pattern. The PDF itself carries no exploit — the risk is the linked destinations.
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Visual download / call-to-action button lure low SE_DOWNLOAD_BUTTONDocument contains a call-to-action phrase ('Click here to download', 'Download Now', etc.) — low-signal unless other findings point to a malicious workflow
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External URI info PDF_URIPDF contains an external URL action
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Object number defined twice with different bodies info PDF_DUPLICATE_OBJ_BODY_INCREMENTALThe same indirect object (N G) is defined more than once with different body bytes. First-wins and last-wins readers will resolve different content, which is a parser-confusion shape used by targeted PDFs. Body-only differences are common in benign incremental updates, so severity is raised only when the duplicate carries active content.
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Embedded URL info EMBEDDED_URLOne or more URLs were extracted from the document. The URL itself is not a detection — see the per-URL labels for which channel (macro, JS, link annotation, document body, ...) reached each URL.URL https://oniceh.ru/uplcv?utm_term=sniper+3d+hack+download+apk PDF link annotation
- https://kes-stv.ru/wp-content/plugins/super-forms/uploads/php/files/dc2d38abed3ea29673ed34d6ba845d7e/5871379091.pdfIn PDF document text
- https://www.elektrobetrieb-scholz.de/wp-content/plugins/formcraft/file-upload/server/content/files/16147f5f4bce3d---wadebamatozijuwerudobo.pdfIn PDF document text
- http://www.nanodrywash.com/wp-content/plugins/formcraft/file-upload/server/content/files/1612f43df0757d---75975755240.pdfIn PDF document text
- https://lrsdev.com/userfiles/file/68433620117.pdfIn PDF document text
- http://cokhihoangvinh.com/uploads/userfiles/file/nilugedow.pdfIn PDF document text
- http://laboratoriodiprogettazione-ve.it/userfiles/files/8703982499.pdfIn PDF document text
- http://mabo-meccanica.eu/userfiles/files/fivulub.pdfIn PDF document text
- http://nhahanghienminh68.com/upload/files/pakojuzesokawudoxu.pdfIn PDF document text
- http://mrs-edu.com/sribati/editor/uploadfiles/4829376302.pdfIn PDF document text
- http://apicn.net/upload/files/muwutewuv.pdfIn PDF document text
- http://perevodvnegiloifond.ru/pict/file/27390565621.pdfIn PDF document text
- http://trumoi-khutrung.com/upload/files/lowipekorixakebase.pdfIn PDF document text
- http://stopguepes72.fr/userfiles/file/92903163664.pdfIn PDF document text
- http://colorfusion.us/admin/images/file/75687589907.pdfIn PDF document text
- https://hlj-vibration.com/uploads/image/20210901/files/20210901140917.pdfIn PDF document text
- http://timebymtm.com/upload/files/60908258939.pdfIn PDF document text
- http://jyjjapan.jp/files/ckeditor/files/deparamigimogaxunetib.pdfIn PDF document text
- http://cheapmarkt.com/userfiles/file/99553102294.pdfIn PDF document text
- http://abcgsgeds.friendship-match.com/upload/files/22677421775.pdfIn PDF document text
- http://www.phonefixcomo.com/wp-content/plugins/formcraft/file-upload/server/content/files/1613b429182cfc---tozigevol.pdfIn PDF document text
- http://misosmile.com/upload/editor/files/24532662376.pdfIn PDF document text
- http://lesbambousbleus.fr/ckeditor/upload/files/94398496260.pdfIn PDF document text
- https://dacola.com/upload/files/90538244148.pdfIn PDF document text
- http://www.w3.org/1999/02/22-rdf-syntax-ns#In PDF document text
- http://purl.org/dc/elements/1.1/In PDF document text
- http://ns.adobe.com/pdf/1.3/In PDF document text
- http://ns.adobe.com/xap/1.0/In PDF document text
- http://ns.adobe.com/xap/1.0/mm/In PDF document text
- http://ns.adobe.com/xap/1.0/rights/In PDF document text
- http://dejavu.sourceforge.netIn PDF document text
- http://dejavu.sourceforge.net/wiki/index.php/LicenseIn PDF document text
Extracted artifacts 3
Files carved from inside the sample during analysis.
| Filename | Kind | Source | Size |
|---|---|---|---|
font_00_sfnt_off0000ddac.bin |
pdf-font-stream | PDF embedded font (sfnt) at offset 0xDDAC | 18048 bytes |
SHA-256: 424dda37cd7895a85c1f11f458a6daca0984112dab861b0acef4e491dcd2afd5 |
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font_01_sfnt_off00010ca7.bin |
pdf-font-stream | PDF embedded font (sfnt) at offset 0x10CA7 | 10768 bytes |
SHA-256: d5755f6591d07b806d2f5a96447e167e8d0681be4b52a84cc3c9fe1752935044 |
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font_02_sfnt_off0001256a.bin |
pdf-font-stream | PDF embedded font (sfnt) at offset 0x1256A | 16792 bytes |
SHA-256: 9d2294e344127da9ddc2b77d68b1576b6b78373885bc9da2859f180a98f2c1e1 |
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